Question

unit 4 - challenge 4.1: the nervous system and
1 2
which of the following divisions of the nervous system specifically consists
of the brain and spinal cord?
a.) central nervous system (cns)
b.) autonomic nervous system (ans)
c.) peripheral nervous system (pns)
d.) somatic nervous system (sns)

Explanation:

The Central Nervous System (CNS) is composed of the brain and spinal cord. The Autonomic Nervous System (ANS) controls involuntary functions like heart rate and digestion. The Peripheral Nervous System (PNS) connects the CNS to the rest of the body. The Somatic Nervous System (SNS) controls voluntary movements. Since the question asks for the division with the brain and spinal cord, CNS is correct.

Answer:

A. Central Nervous System (CNS)